<?php  //$Id: item.php,v 1.14.2.4 2008/03/22 21:19:09 skodak Exp $

///////////////////////////////////////////////////////////////////////////
//																	   //
// NOTICE OF COPYRIGHT												   //
//																	   //
// Moodle - Modular Object-Oriented Dynamic Learning Environment		 //
//		  http://moodle.com											//
//																	   //
// Copyright (C) 1999 onwards  Martin Dougiamas  http://moodle.com	   //
//																	   //
// This program is free software; you can redistribute it and/or modify  //
// it under the terms of the GNU General Public License as published by  //
// the Free Software Foundation; either version 2 of the License, or	 //
// (at your option) any later version.								   //
//																	   //
// This program is distributed in the hope that it will be useful,	   //
// but WITHOUT ANY WARRANTY; without even the implied warranty of		//
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the		 //
// GNU General Public License for more details:						  //
//																	   //
//		  http://www.gnu.org/copyleft/gpl.html						 //
//																	   //
///////////////////////////////////////////////////////////////////////////

require_once '../../../config.php';
require_once $CFG->dirroot.'/grade/lib.php';
require_once $CFG->dirroot.'/grade/report/lib.php';
require_once 'item_form.php';

$courseid = required_param('courseid', PARAM_INT);
$id	   = optional_param('id', 0, PARAM_INT);

if (!$course = get_record('course', 'id', $courseid)) {
	print_error('nocourseid');
}

require_login($course);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
require_capability('moodle/grade:manage', $context);

// default return url
$gpr = new grade_plugin_return();
$returnurl = $gpr->get_return_url('index.php?id='.$course->id);

$mform = new edit_item_form(null, array('gpr'=>$gpr));

if ($mform->is_cancelled()) {
	redirect($returnurl);
}

if ($grade_item = grade_item::fetch(array('id'=>$id, 'courseid'=>$courseid))) {
	// redirect if outcomeid present
	if (!empty($grade_item->outcomeid) && !empty($CFG->enableoutcomes)) {
		$url = $CFG->wwwroot.'/grade/edit/tree/outcomeitem.php?id='.$id.'&amp;courseid='.$courseid;
		redirect($gpr->add_url_params($url));
	}
	$item = $grade_item->get_record_data();

	if ($grade_item->is_course_item()) {
		$parent_category = null;
		$item->parentcategory = 0;
	} else if ($grade_item->is_category_item()) {
		$parent_category = $grade_item->get_parent_category();
		$parent_category = $parent_category->get_parent_category();
		$item->parentcategory = $parent_category->id;
	} else {
		$parent_category = $grade_item->get_parent_category();
		$item->parentcategory = $parent_category->id;
	}
} else {
	$grade_item = new grade_item(array('courseid'=>$courseid, 'itemtype'=>'manual'), false);
	$item = $grade_item->get_record_data();
	$parent_category = grade_category::fetch_course_category($courseid);
	$item->parentcategory = $parent_category->id;
}
$decimalpoints = $grade_item->get_decimals();

if ($item->hidden > 1) {
	$item->hiddenuntil = $item->hidden;
	$item->hidden = 0;
} else {
	$item->hiddenuntil = 0;
}

$item->locked = !empty($item->locked);

$item->grademax		= format_float($item->grademax, $decimalpoints);
$item->grademin		= format_float($item->grademin, $decimalpoints);
$item->gradepass	   = format_float($item->gradepass, $decimalpoints);
$item->multfactor	  = format_float($item->multfactor, 4);
$item->plusfactor	  = format_float($item->plusfactor, 4);

if (empty($parent_category)) {
	$item->aggregationcoef = 0;
} else if ($parent_category->aggregation == GRADE_AGGREGATE_SUM) {
	$item->aggregationcoef = $item->aggregationcoef > 0 ? 1 : 0;
} else {
	$item->aggregationcoef = format_float($item->aggregationcoef, 4);
}

$mform->set_data($item);

if ($data = $mform->get_data(false)) {

	if (!isset($data->aggregationcoef)) {
		$data->aggregationcoef = 0;
	}

	$hidden	  = empty($data->hidden) ? 0: $data->hidden;
	$hiddenuntil = empty($data->hiddenuntil) ? 0: $data->hiddenuntil;
	unset($data->hidden);
	unset($data->hiddenuntil);

	$locked   = empty($data->locked) ? 0: $data->locked;
	$locktime = empty($data->locktime) ? 0: $data->locktime;
	unset($data->locked);
	unset($data->locktime);

	$convert = array('grademax', 'grademin', 'gradepass', 'multfactor', 'plusfactor', 'aggregationcoef');
	foreach ($convert as $param) {
		if (array_key_exists($param, $data)) {
			$data->$param = unformat_float($data->$param);
		}
	}

	$grade_item = new grade_item(array('id'=>$id, 'courseid'=>$courseid));
	grade_item::set_properties($grade_item, $data);
	$grade_item->outcomeid = null;

	// Handle null decimals value
	if (!array_key_exists('decimals', $data) or $data->decimals < 0) {
		$grade_item->decimals = null;
	}

	if (empty($grade_item->id)) {
		$grade_item->itemtype = 'manual'; // all new items to be manual only
		$grade_item->insert();

		// set parent if needed
		if (isset($data->parentcategory)) {
			$grade_item->set_parent($data->parentcategory, 'gradebook');
		}

	} else {
		$grade_item->update();
	}

	// update hiding flag
	if ($hiddenuntil) {
		$grade_item->set_hidden($hiddenuntil, false);
	} else {
		$grade_item->set_hidden($hidden, false);
	}

	$grade_item->set_locktime($locktime); // locktime first - it might be removed when unlocking
	$grade_item->set_locked($locked, false, true);

	redirect($returnurl);
}

$strgrades	   = get_string('grades');
$strgraderreport = get_string('graderreport', 'grades');
$stritemsedit	= get_string('itemsedit', 'grades');
$stritem		 = get_string('item', 'grades');

$navigation = grade_build_nav(__FILE__, $stritem, array('courseid' => $courseid));


print_header_simple($strgrades . ': ' . $strgraderreport, ': ' . $stritemsedit, $navigation, '', '', true, '', navmenu($course));

$mform->display();

print_footer($course);
